Решите уравнение: -x^2-49=0 x^+36=0 -14x^2=0 x^2-144=0 x^2+13x=0 14x^2=0 x^2-15=0...

Question

Решите уравнение:
-x^2-49=0
x^+36=0
-14x^2=0
x^2-144=0
x^2+13x=0
14x^2=0
x^2-15=0
13-x^2=0
36-x^2=0

Answer 1

1. X² = 49
    X = +-7
2.X² = -36
   X ∈ ∅
3. X = 0
4. X² = 144
    X = +- 12
5. [X = 0
    [X = -13
6. X = 0
7. X = +-√15
8. X² = +-√13
9.X = +-6